/* ============================================================
   Barakah Tech Hub — Premium Enterprise Stylesheet
   Paleta: negro asfalto / azul medianoche + cian tecnológico
   ============================================================ */

:root {
  --bg: #FAFBFF;
  --bg-2: #F2F5FB;
  --bg-3: #FFFFFF;
  --surface: rgba(15, 26, 46, 0.03);
  --border: rgba(15, 26, 46, 0.1);
  --border-hover: rgba(15, 26, 46, 0.22);
  --text: #0F1A2E;
  --text-muted: #5B6472;
  --accent: #0F1A2E;
  --accent-dim: rgba(15, 26, 46, 0.06);
  --gradient: linear-gradient(120deg, #0F1A2E 0%, #2563EB 100%);
  --radius: 16px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

::selection { background: rgba(15, 26, 46, 0.85); color: #fff; }

a { color: inherit; text-decoration: none; }

/* ---------- Reveal animations ---------- */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
html.js .reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Utility text ---------- */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: #0F1A2E;
  color: #FFFFFF;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(15, 26, 46, 0.28); background: #000; }
.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: var(--surface);
}
.btn-ghost:hover { border-color: var(--border-hover); background: rgba(15,26,46,0.05); }
.btn-ghost .arrow { transition: transform 0.25s ease; }
.btn-ghost:hover .arrow { transform: translateX(4px); }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }

/* ====== FONDO 3D (WebGL) ====== */
.service-bg { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.service-bg::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 50% 0%, rgba(10,14,26,0) 40%, rgba(10,14,26,.85) 100%);
}
.service-bg canvas { display: block; }
.service-bg::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(10,14,26,.55) 0%, rgba(10,14,26,.1) 35%, rgba(10,14,26,.55) 100%);
  pointer-events: none;
}
.service-bg::after { z-index: 2; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all 0.3s ease;
}
.nav.scrolled {
  background: rgba(250, 251, 255, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.logo-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: #0F1A2E;
  color: #FFFFFF;
  border-radius: 9px;
  font-weight: 800;
  font-size: 1.1rem;
  overflow: hidden;
}
.logo-mark img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.logo-mark.is-fallback img { display: none; }
.logo-text em { font-style: normal; color: var(--text-muted); font-weight: 400; }

.nav-links { display: flex; gap: 32px; }
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

.section, .hero, .footer, .trust { position: relative; z-index: 1; }

/* ---------- Fondo generativo matemático ---------- */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-canvas svg { width: 100%; height: 100%; display: block; }
.bg-dot { fill: rgba(15, 26, 46, 0.13); }
.bg-path {
  fill: none;
  stroke: rgba(15, 26, 46, 0.1);
  stroke-width: 1;
  animation: bgPulse 8s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * -1.1s);
}
.bg-path-thin {
  fill: none;
  stroke: rgba(37, 99, 235, 0.09);
  stroke-width: 1;
  animation: bgPulse 10s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * -1.4s);
}
.bg-node { fill: rgba(37, 99, 235, 0.35); animation: bgNode 5s ease-in-out infinite; animation-delay: calc(var(--i, 0) * -0.7s); }
.bg-ray { stroke: rgba(15, 26, 46, 0.05); stroke-width: 1; stroke-dasharray: 2 6; }
@keyframes bgPulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}
@keyframes bgNode {
  0%, 100% { opacity: 0.3; r: 2.4; }
  50% { opacity: 0.9; r: 3.2; }
}
@media (prefers-reduced-motion: reduce) {
  .bg-path, .bg-path-thin, .bg-node { animation: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}
.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.14), transparent 70%);
  top: -200px; right: -100px;
  animation: float 14s ease-in-out infinite;
}
.glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(15, 26, 46, 0.08), transparent 70%);
  bottom: -180px; left: -120px;
  animation: float 18s ease-in-out infinite reverse;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 30px); }
}
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15,26,46,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,26,46,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}

/* ===== Sacred geometry (intricate generative SVG) ===== */
/* Capa WebGL 3D — se superpone al SVG; si falla WebGL, el SVG queda como respaldo */
.cosmos3d {
  position: absolute;
  inset: 0;
  z-index: 2;
}
.cosmos3d canvas { display: block; width: 100%; height: 100%; }
.hero-bg:has(.cosmos3d canvas) .sacred-geo { display: none; }
.sacred-geo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
  mix-blend-mode: multiply;
  filter: drop-shadow(0 0 6px rgba(37, 99, 235, 0.08));
}
.sacred-geo .sg-stroke {
  fill: none;
  stroke: rgba(37, 99, 235, 0.16);
  stroke-width: 1;
  stroke-linejoin: round;
}
.sacred-geo .sg-stroke-accent {
  fill: none;
  stroke: rgba(13, 148, 136, 0.14);
  stroke-width: 0.8;
}
.sacred-geo .sg-node {
  fill: rgba(37, 99, 235, 0.3);
  animation: sg-node-pulse 5s ease-in-out infinite;
}
@keyframes sg-node-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
.sacred-geo .sg-line {
  stroke: rgba(37, 99, 235, 0.07);
  stroke-width: 0.6;
}
.sacred-geo .sg-bloom {
  animation: sg-breathe 16s ease-in-out infinite;
  transform-origin: 60% 42%;
}
.sacred-geo .sg-bloom > * { animation: sg-glow 16s ease-in-out infinite; }
@keyframes sg-glow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.65; }
}
.sacred-geo .sg-bloom-2 {
  animation: sg-breathe 22s ease-in-out infinite reverse;
  transform-origin: 78% 60%;
}
@keyframes sg-breathe {
  0%, 100% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(6deg) scale(1.035); }
}
@media (prefers-reduced-motion: reduce) {
  .sacred-geo .sg-bloom, .sacred-geo .sg-bloom-2 { animation: none; }
  .sacred-geo .sg-bloom > *, .sacred-geo .sg-node { animation: none; }
}

.hero-content { position: relative; max-width: 900px; }
.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  border: 1px solid var(--border);
  background: #FFFFFF;
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  box-shadow: 0 2px 10px rgba(15, 26, 46, 0.06);
}
.hero-eyebrow strong { color: var(--text); font-weight: 700; }
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-line {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  max-width: 560px;
}
.hero-line i {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--border-hover);
  flex-shrink: 0;
}

/* ---------- Trust bar ---------- */
.trust {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
  background: var(--bg-2);
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}
.trust-brands { display: flex; align-items: center; gap: 16px; }
.brand-chip {
  font-weight: 700;
  font-size: 1rem;
  padding: 6px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}
.brand-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
.trust-note { font-size: 0.82rem; color: var(--text-muted); }

/* ---------- Sections ---------- */
.section { padding: 110px 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: 64px; }
.section-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ---------- Hero line ---------- */
.hero-line {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  max-width: 560px;
}
.hero-line i {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--border-hover);
  flex-shrink: 0;
}
.section-head h2 {
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-sub { color: var(--text-muted); font-size: 1.05rem; }

/* ---------- Ecosistema (ventures editoriales) ---------- */
.ventures { display: flex; flex-direction: column; }
.venture {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  padding: 44px 8px;
  align-items: baseline;
  transition: background 0.3s ease;
}
.venture:hover { background: rgba(15, 26, 46, 0.02); }
.venture-name h3 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.venture-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.venture > p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-muted);
}
.venture-rule { height: 1px; background: var(--border); }

/* ---------- Manifiesto ---------- */
.manifesto { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.manifesto-box { max-width: 860px; }
.manifesto-text {
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin-bottom: 48px;
}

/* ---------- Servicios ---------- */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service {
  padding: 32px 28px;
  border-top: 1px solid var(--border);
  background: transparent;
  transition: all 0.3s ease;
}
.service:hover { border-top-color: var(--text); background: rgba(15, 26, 46, 0.02); }
.service h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.01em; }
.service p { font-size: 0.9rem; line-height: 1.7; color: var(--text-muted); }

/* ---------- Insights ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: all 0.3s ease;
}
.post:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.post-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.post-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 12px;
  border-radius: 100px;
}
.post-date { font-size: 0.78rem; color: var(--text-muted); }
.post h3 { font-size: 1.15rem; font-weight: 700; line-height: 1.35; margin-bottom: 10px; }
.post p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 20px; flex: 1; }
.post-link { font-size: 0.88rem; font-weight: 600; color: var(--accent); }

/* ---------- CTA ---------- */
.cta { padding-bottom: 120px; }
.cta-box {
  text-align: center;
  padding: 72px 32px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(37, 99, 235, 0.08), transparent 60%),
    #FFFFFF;
  box-shadow: 0 20px 60px rgba(15, 26, 46, 0.08);
}
.cta-box h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; }
.cta-box p { color: var(--text-muted); max-width: 520px; margin: 0 auto 32px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-2); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding: 64px 24px 48px;
}
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); margin-top: 16px; max-width: 260px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h5 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.footer-col a { font-size: 0.9rem; color: var(--text-muted); transition: color 0.2s ease; }
.footer-col a:hover { color: var(--accent); }
.footer-muted { font-size: 0.82rem; color: var(--text-muted); opacity: 0.7; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  padding-bottom: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---------- Páginas legales ---------- */
.legal-page { padding: 160px 0 100px; }
.legal-page h1 { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 8px; letter-spacing: -0.02em; }
.legal-updated { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 48px; }
.legal-content { max-width: 760px; }
.legal-content h2 { font-size: 1.3rem; font-weight: 700; margin: 40px 0 12px; }
.legal-content p, .legal-content li { color: var(--text-muted); font-size: 0.96rem; margin-bottom: 12px; }
.legal-content ul { padding-left: 24px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .venture { grid-template-columns: 1fr; gap: 16px; padding: 32px 4px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(250, 251, 255, 0.97);
    backdrop-filter: blur(16px);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
  }
  .section { padding: 72px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}